Product Overview

The Sanheng 4BN BSP Male Thread Hollow Hex Plug is designed for sealing and connecting oil, water, and gas pipelines in industrial hydraulic systems. Manufactured through precision CNC machining, the plug provides reliable thread accuracy and stable structural strength.

The thread size range covers G1/8 to G1.5 BSP male thread, meeting common industrial connection requirements. With standardized production and multiple material options, the 4BN BSP hex plug is widely used in hydraulic systems, pipeline sealing, and general industrial equipment.

Precise Technical Specifications

Full Model Parameter Details

The G1/8-G1.5 4BN Hydraulic Hex Plug has standardized and detailed technical parameters, with each model strictly matching international BSP thread standards. All key dimensions are calibrated to industrial installation space requirements, with a customized WD-B series captive seal for each model to ensure airtight connection:

Core Specification Compliance

All Sanheng 4BN Male BSP Thread Hollow Hex Plug models comply with international industrial hydraulic fitting standards, with thread tolerance controlled within ISO 228-1 range . The captive seal matching follows Sanheng’s proprietary precision fitting process, ensuring no gap between seal and thread for maximum sealing performance.

Key Features

Reliable Thread Connection

The BSP male thread is processed by precision CNC machining, ensuring accurate pitch and compatibility with standard BSP threaded ports. This allows smooth installation without secondary processing.

Integrated Captive Seal

The plug is equipped with a WD-B series captive seal, designed to improve sealing performance and prevent leakage in pipeline systems.

Stable One-Piece Structure

The forged structure provides good mechanical strength and durability, suitable for various industrial working environments.

Protective Packaging

Each plug is fitted with thread protective caps to avoid damage during transportation and storage, suitable for bulk industrial procurement.

Material Options

Carbon Steel (Standard Type)

Carbon steel plugs are treated with Cr3+ zinc plating, providing basic corrosion resistance and cost efficiency for common industrial pipeline applications.

Stainless Steel (-SS)

Stainless steel plugs are available with passivation treatment, suitable for environments requiring higher corrosion resistance.

Applications

The 4BN BSP Hollow Hex Plug is widely used in various industrial pipeline systems, including:

• Hydraulic equipment

• Industrial machinery

• Pump and valve systems

• Oil and gas pipelines

• Water and fluid transportation systems

It is mainly used for closing unused ports or sealing pipeline connections in hydraulic and fluid systems.

Manufacturing

The Sanheng 4BN BSP hex plug is produced through CNC machining (other processing methods available for specific models), ensuring consistent product dimensions and thread accuracy for industrial use.

During production, thread gauges are used to inspect thread dimensions to ensure compatibility with standard BSP threaded ports.

FAQ

Q1: What thread standard does the 4BN hex plug use?

The plug uses BSP male thread, with sizes ranging from G1/8 to G1.5.

Q2: Can different materials be selected?

Yes. The plug is available in carbon steel and stainless steel, depending on application requirements.

Q3: What is the typical application of this plug?

It is mainly used to seal unused ports or pipeline connections in hydraulic and fluid systems.

Q4: What packaging method is used?

Each plug is protected with a thread cap, packed in plastic bags and then in carton boxes for transportation.